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MIC29503BT from MICREL

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MIC29503BT

Manufacturer: MICREL, MIC

High-Current Low-Dropout Regulators

Partnumber Manufacturer Quantity Availability
MIC29503BT MICREL, MIC 68 In Stock

Description and Introduction

High-Current Low-Dropout Regulators **Introducing the MIC29503BT: A High-Performance Voltage Regulator for Demanding Applications**  

The MIC29503BT is a robust, high-performance voltage regulator designed to meet the stringent requirements of modern electronic systems. Offering exceptional accuracy, low dropout voltage, and outstanding thermal performance, this component is ideal for applications where reliability and efficiency are paramount.  

Engineered with precision, the MIC29503BT delivers a fixed 3.3V or 5.0V output with a tight tolerance of ±1%, ensuring stable power delivery even under fluctuating load conditions. Its ultra-low dropout voltage—as low as 350mV at full load—maximizes efficiency, making it an excellent choice for battery-powered devices and energy-sensitive applications.  

Thermal management is a critical factor in voltage regulation, and the MIC29503BT excels with built-in protection features such as thermal shutdown and current limiting. These safeguards prevent overheating and potential damage, enhancing system longevity and reliability. Additionally, its wide input voltage range (up to 26V) provides flexibility for diverse power supply configurations.  

The device is housed in a TO-220 package, ensuring robust thermal dissipation and ease of integration into various circuit designs. Its low quiescent current further optimizes power consumption, making it suitable for portable electronics, industrial controls, automotive systems, and telecommunications equipment.  

With its combination of high efficiency, precision regulation, and robust protection mechanisms, the MIC29503BT stands out as a dependable solution for engineers seeking a high-performance voltage regulator. Whether in mission-critical industrial applications or consumer electronics, this component delivers consistent, reliable power with minimal overhead.  

For designers prioritizing performance and durability, the MIC29503BT offers a compelling blend of features that ensure stable operation in even the most demanding environments.

Application Scenarios & Design Considerations

High-Current Low-Dropout Regulators

Alternative Part Number

  • LM2940CT-5.0 --: 5V low-dropout linear regulator in TO-220, functionally similar to the MIC29503 and widely available.
  • LT1085CT --: Adjustable low-dropout positive regulator in TO-220 with comparable current capability and pinout.
  • MC33269T-5.0 --: 5V LDO regulator in TO-220 offering similar performance and a common drop-in style alternative.
  • LM1085IT-5.0 --: 5A low-dropout linear regulator in TO-220, similar current and voltage class, widely available and pin-compatible in most designs.
  • LD1085V50 --: 5A LDO regulator in TO-220 offering similar electrical characteristics and a cost-effective alternative.

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